Introduction: PWM DC Motor Speed & Light Control | DC Dimmer

Today in this video I am going to show you How to dim lights, control the speed of a motor in DC or direct current so let’s get started.

Step 1: Watch the Video

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Step 2: Circuit Diagram for Low Current Application

This Circuit Diagram is only for a low current application like led dimmer etc

Step 3: Gather All the Components

These are all the components you need

555 Timer

1N4148 Diode

1K Resistor


10nf Capacitor

Step 4: This Is the Final Result

It can control the very small amount of load. If you want to use heavy loads like 25W motorbike bulb, DC motor then you should follow the circuit diagram below.

Step 5: Circuit Diagram for Heavy Current Application

Step 6: These Are Some Extra Components You Need

Step 7: Final Result